E.F. Johnson Company ATLAS 4500, Техническое руководство

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2-2
ATLAS 4500 Multimode Station Technical Manual
May 2017
Functional Description Section 2 - Product Overview
Figure 2.1
ATLAS 4500 Introductory View
2.1.1 Architecture
• Leverages a common hardware platform to support the following:
- 12.5 kHz, 20 kHz, and 25 kHz Analog
- 12.5kHz FDMA P25 Phase I
- 6.25 kHz P25 Phase 2 TDMA
• Operates in the following modes:
- Analog/P25 Conventional
- P25 Trunked
- Simulcast
• Smallest P25 Phase 2 base station in the industry packaged in an ultra-compact
2RU size chassis maximizing rack space usage
• AC or DC power input
- AC power input can be 90-264 VAC
- DC power input can be 24-58 VDC
2.1.2 Usability and Maintainability
• Modular architecture allows flexible expansion of sites and seamless scalability
of the system.
• Interactive front panel design displays status and diagnostics for rapid
troubleshooting.
• Flexible software upgrades
2.1.3 Design and Performance
• Improved multi-band receiver design provides higher sensitivity along with very
high intermodulation immunity for congested prime site locations.